Julie, a woman who is unlucky in love despite her bubbly demeanor. Her job at a bookstore takes an interesting twist when she discovers a book titled "Happiness Can Be Learned," and she sets out to fix her love life once and for all.

Alexandra Lamy
as Julie

Mélanie Doutey
as Louise

Julie Ferrier
as Rose

Jean-Paul Rouve
as Marc

Grégory Fitoussi
as Ange

Julien Boisselier
as Charles

Michel Vuillermoz
as Viktor Bells

Arnaud Henriet
as Gilles

Olivia Côte
as L'animatrice

Pascal Demolon
as Chadenat